Mount Ibu Erupts Again This Afternoon, Eruption Height 500 Meters from the Peak

Mount Ibu in North Maluku erupted again on Wednesday (October 1, 2025) at 17:36 WIT. In the last week, Mount Ibu has erupted 19 times.

Citing eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the observed ash column reached 500 meters above the peak or 1,825 meters above sea level.

The ash column was observed to be gray with thick intensity towards the northwest. The eruption was recorded on a seismograph with a maximum amplitude of 28 millimeters and a duration of 70 seconds.

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According to MAGMA Indonesia's volcano activity report, Mount Ibu's activity level is at Level II (Alert). Seismicity observations on October 1, 2025, at 00:00-23:59 WIT showed 101 eruption earthquakes with amplitudes of 14-28 millimeters and durations of 32-81 seconds.

Furthermore, there were 2 rockfall earthquakes with an amplitude of 2 mm and durations of 33-43 seconds, and 5 gas emission earthquakes with amplitudes of 4-10 millimeters and durations of 35-43 seconds.

PVMBG urges the public around Mount Ibu and visitors/tourists not to engage in activities within a 2-kilometer radius and a sectoral expansion of 3.5 kilometers towards the crater opening in the northern part of Mount Ibu's active crater.

Throughout 2025, MAGMA Indonesia has recorded 6,485 volcano eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,541 times), while Mount Ibu erupted 2,334 times.

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